remcos | f41fc6480ca831a072c88d512b3ca96264c7d8652d30224b2f88465139dc8319

General

Target

016153c37340d7dd4d45563208a25928.exe
Size

420KB
MD5

016153c37340d7dd4d45563208a25928
SHA1

591f8da7ede0f741c04ec18348999e7a39e96183
SHA256

f41fc6480ca831a072c88d512b3ca96264c7d8652d30224b2f88465139dc8319
SHA512

bdd7af6d07f38eae6e7500ac6d6d5175889e82a4d515025d6899049b1d56f46196d8a418e2b82a94865c7236a44e78f29af551548810f07fba1b6afce30e830f
SSDEEP

6144:49g5p/aJJL7XJAnY7jioSgBK0Ru115xTcYeEknZJJAVAel:4gUJHX+nOjhBq1j2AWK

Score

10^/10

remcos buddy agilenet persistence rat

Malware Config

Extracted

Family

remcos

Version

2.5.0 Pro

Botnet

Buddy

C2

eastsidepapi.myq-see.com:6996

Attributes

audio_folder
MicRecords
audio_path
%AppData%
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
Buddy.exe
copy_folder
remcos
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
false
install_path
%AppData%
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
keylog_path
%AppData%
mouse_option
false
mutex
Buddy-PVO134
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
Buddy
take_screenshot_option
false
take_screenshot_time
5
take_screenshot_title
wikipedia;solitaire;

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos
Executes dropped EXE 2 IoCs

Processes:

ftermgr.exeftermgr.exe

pid process

2172 ftermgr.exe
2912 ftermgr.exe
Loads dropped DLL 6 IoCs

Processes:

powershell.exeWerFault.exe

pid process

2768 powershell.exe
2400 WerFault.exe
2400 WerFault.exe
2400 WerFault.exe
2400 WerFault.exe
2400 WerFault.exe

pid	process
2172	ftermgr.exe
2912	ftermgr.exe

pid	process
2768	powershell.exe
2400	WerFault.exe
2400	WerFault.exe
2400	WerFault.exe
2400	WerFault.exe
2400	WerFault.exe

Obfuscated with Agile.Net obfuscator 1 IoCs

Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

agilenet

Processes:

resource	yara_rule
behavioral1/memory/1680-2-0x0000000000540000-0x0000000000556000-memory.dmp	agile_net

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

reg.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\progmfil = "C:\\Windows\\system32\\pcalua.exe -a C:\\Users\\Admin\\AppData\\Local\\ftermgr.exe"	reg.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

ftermgr.exe

description pid process target process

PID 2172 set thread context of 2912 2172 ftermgr.exe ftermgr.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2400 2172 WerFault.exe ftermgr.exe

description	pid	process	target process
PID 2172 set thread context of 2912	2172	ftermgr.exe	ftermgr.exe

pid	pid_target	process	target process
2400	2172	WerFault.exe	ftermgr.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

016153c37340d7dd4d45563208a25928.exepowershell.exeftermgr.exe

pid	process
1680	016153c37340d7dd4d45563208a25928.exe
1680	016153c37340d7dd4d45563208a25928.exe
1680	016153c37340d7dd4d45563208a25928.exe
2768	powershell.exe
2768	powershell.exe
2172	ftermgr.exe
2172	ftermgr.exe
2172	ftermgr.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

016153c37340d7dd4d45563208a25928.exepowershell.exeftermgr.exe

description	pid	process
Token: SeDebugPrivilege	1680	016153c37340d7dd4d45563208a25928.exe
Token: SeDebugPrivilege	2768	powershell.exe
Token: SeDebugPrivilege	2172	ftermgr.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

ftermgr.exe

pid process

2912 ftermgr.exe

pid	process
2912	ftermgr.exe

Suspicious use of WriteProcessMemory 31 IoCs

Processes:

016153c37340d7dd4d45563208a25928.execmd.exepowershell.exeftermgr.exe

description	pid	process	target process
PID 1680 wrote to memory of 2560	1680	016153c37340d7dd4d45563208a25928.exe	cmd.exe
PID 1680 wrote to memory of 2560	1680	016153c37340d7dd4d45563208a25928.exe	cmd.exe
PID 1680 wrote to memory of 2560	1680	016153c37340d7dd4d45563208a25928.exe	cmd.exe
PID 1680 wrote to memory of 2560	1680	016153c37340d7dd4d45563208a25928.exe	cmd.exe
PID 2560 wrote to memory of 2612	2560	cmd.exe	reg.exe
PID 2560 wrote to memory of 2612	2560	cmd.exe	reg.exe
PID 2560 wrote to memory of 2612	2560	cmd.exe	reg.exe
PID 2560 wrote to memory of 2612	2560	cmd.exe	reg.exe
PID 1680 wrote to memory of 2768	1680	016153c37340d7dd4d45563208a25928.exe	powershell.exe
PID 1680 wrote to memory of 2768	1680	016153c37340d7dd4d45563208a25928.exe	powershell.exe
PID 1680 wrote to memory of 2768	1680	016153c37340d7dd4d45563208a25928.exe	powershell.exe
PID 1680 wrote to memory of 2768	1680	016153c37340d7dd4d45563208a25928.exe	powershell.exe
PID 2768 wrote to memory of 2172	2768	powershell.exe	ftermgr.exe
PID 2768 wrote to memory of 2172	2768	powershell.exe	ftermgr.exe
PID 2768 wrote to memory of 2172	2768	powershell.exe	ftermgr.exe
PID 2768 wrote to memory of 2172	2768	powershell.exe	ftermgr.exe
PID 2172 wrote to memory of 2912	2172	ftermgr.exe	ftermgr.exe
PID 2172 wrote to memory of 2912	2172	ftermgr.exe	ftermgr.exe
PID 2172 wrote to memory of 2912	2172	ftermgr.exe	ftermgr.exe
PID 2172 wrote to memory of 2912	2172	ftermgr.exe	ftermgr.exe
PID 2172 wrote to memory of 2912	2172	ftermgr.exe	ftermgr.exe
PID 2172 wrote to memory of 2912	2172	ftermgr.exe	ftermgr.exe
PID 2172 wrote to memory of 2912	2172	ftermgr.exe	ftermgr.exe
PID 2172 wrote to memory of 2912	2172	ftermgr.exe	ftermgr.exe
PID 2172 wrote to memory of 2912	2172	ftermgr.exe	ftermgr.exe
PID 2172 wrote to memory of 2912	2172	ftermgr.exe	ftermgr.exe
PID 2172 wrote to memory of 2912	2172	ftermgr.exe	ftermgr.exe
PID 2172 wrote to memory of 2400	2172	ftermgr.exe	WerFault.exe
PID 2172 wrote to memory of 2400	2172	ftermgr.exe	WerFault.exe
PID 2172 wrote to memory of 2400	2172	ftermgr.exe	WerFault.exe
PID 2172 wrote to memory of 2400	2172	ftermgr.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\016153c37340d7dd4d45563208a25928.exe
"C:\Users\Admin\AppData\Local\Temp\016153c37340d7dd4d45563208a25928.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1680

C:\Windows\SysWOW64\cmd.exe
"cmd.exe" /c REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v progmfil /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Local\ftermgr.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:2560

C:\Windows\SysWOW64\reg.exe
REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v progmfil /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Local\ftermgr.exe"
3⤵
- Adds Run key to start application
PID:2612

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Start-Process C:\Users\Admin\AppData\Local\ftermgr.exe
2⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2768

C:\Users\Admin\AppData\Local\ftermgr.exe
"C:\Users\Admin\AppData\Local\ftermgr.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2172

C:\Users\Admin\AppData\Local\ftermgr.exe
"C:\Users\Admin\AppData\Local\ftermgr.exe"
4⤵
- Executes dropped EXE
- Suspicious use of SetWindowsHookEx
PID:2912

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2172 -s 932
4⤵
- Loads dropped DLL
- Program crash
PID:2400

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\ftermgr.exe
Filesize
382KB

MD5
3bf12ad02a9a8ad1c60e23ebc9036452

SHA1
8291666b272eaf5516e9cf742d7f5a93606861f4

SHA256
f0a01e30910e210ff068607568d17b2f6d52b92b257cd05f62b9e2ee2d9f6c1d

SHA512
2946ed84e8e02f67d94fb18e7ff35fbde1eaebd5a042056535722ba691fdaf7e0ab7c5549aa71509c53006c3caeb38b24981609ce10e9d1d8cf55437d21bca56

Download Submit
\Users\Admin\AppData\Local\ftermgr.exe
Filesize
420KB

MD5
016153c37340d7dd4d45563208a25928

SHA1
591f8da7ede0f741c04ec18348999e7a39e96183

SHA256
f41fc6480ca831a072c88d512b3ca96264c7d8652d30224b2f88465139dc8319

SHA512
bdd7af6d07f38eae6e7500ac6d6d5175889e82a4d515025d6899049b1d56f46196d8a418e2b82a94865c7236a44e78f29af551548810f07fba1b6afce30e830f

Download Submit
memory/1680-9-0x0000000004600000-0x0000000004640000-memory.dmp

Filesize
256KB

Download
memory/1680-10-0x0000000073F60000-0x000000007464E000-memory.dmp

Filesize
6.9MB

Download
memory/1680-4-0x0000000004600000-0x0000000004640000-memory.dmp

Filesize
256KB

Download
memory/1680-0-0x0000000000CA0000-0x0000000000D10000-memory.dmp

Filesize
448KB

Download
memory/1680-6-0x0000000073F60000-0x000000007464E000-memory.dmp

Filesize
6.9MB

Download
memory/1680-7-0x0000000000AC0000-0x0000000000AC8000-memory.dmp

Filesize
32KB

Download
memory/1680-1-0x0000000073F60000-0x000000007464E000-memory.dmp

Filesize
6.9MB

Download
memory/1680-5-0x0000000000920000-0x0000000000928000-memory.dmp

Filesize
32KB

Download
memory/1680-2-0x0000000000540000-0x0000000000556000-memory.dmp

Filesize
88KB

Download
memory/1680-3-0x00000000005C0000-0x00000000005C8000-memory.dmp

Filesize
32KB

Download
memory/2172-23-0x000000006F820000-0x000000006FF0E000-memory.dmp

Filesize
6.9MB

Download
memory/2172-19-0x0000000000F20000-0x0000000000F90000-memory.dmp

Filesize
448KB

Download
memory/2172-21-0x000000006F820000-0x000000006FF0E000-memory.dmp

Filesize
6.9MB

Download
memory/2172-24-0x0000000000A70000-0x0000000000A7A000-memory.dmp

Filesize
40KB

Download
memory/2172-27-0x0000000000620000-0x0000000000660000-memory.dmp

Filesize
256KB

Download
memory/2172-22-0x0000000000620000-0x0000000000660000-memory.dmp

Filesize
256KB

Download
memory/2768-14-0x0000000073830000-0x0000000073DDB000-memory.dmp

Filesize
5.7MB

Download
memory/2768-13-0x0000000073830000-0x0000000073DDB000-memory.dmp

Filesize
5.7MB

Download
memory/2768-15-0x0000000002790000-0x00000000027D0000-memory.dmp

Filesize
256KB

Download
memory/2768-20-0x0000000073830000-0x0000000073DDB000-memory.dmp

Filesize
5.7MB

Download
memory/2912-36-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2912-28-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2912-30-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2912-32-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2912-34-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2912-25-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2912-38-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2912-40-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2912-44-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2912-48-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2912-47-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2912-43-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download
memory/2912-56-0x0000000000400000-0x0000000000420000-memory.dmp

Filesize
128KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads